At 02:28 5/8/98 EDT, Modl6971 wrote: >In a message dated 98-05-08 01:23:06 EDT, vanagon@VOLKSWAGEN.ORG writes: > ><< > With a bit of math it is easy to figure out the height of a tire and from > there the circumference of the tire: > > 225/70R16 = > > 25.4mm = 1" > > 225 x .7 x 2 + 406 = 721mm = 28.4" > > 225 = how wide the tire is > 70 = % of side wall to width > 2 = two side walls >> > >What does "406" stand for in the equation. Michael. 406mm = 16" which is the size of my rim.
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